MySQL Manuel de Référence pour 3.23.5-alpha.



	20.4.36 `mysql_num_rows()` `my_ulonglong mysql_num_rows(MYSQL_RES *result)` 20.4.36.1 Description Returns the number of rows in the result set. The use of `mysql_num_rows()` depends on whether you use `mysql_store_result()` or `mysql_use_result()` to return the result set. If you use `mysql_store_result()`, `mysql_num_rows()` may be called immediately. If you use `mysql_use_result()`, `mysql_num_rows()` will not return the correct value until all the rows in the result set have been retrieved. 20.4.36.2 Return values The number of rows in the result set. 20.4.36.3 Errors None.